Hi Jess-users,
Just trying to understand, how the following deffacts can represent in
deftemplate?
(deffacts MAIN::opposites
(opposite-of shore-1 shore-2)
(opposite-of shore-2 shore-1))
Jess is creating a *implied* template for this as below.
(deftemplate MAIN::opposite-of
"(Implied)"
(multislot __data))
Here the term *__data* is not very much clear, since if I keep this as
template explicitly as follows -
(deftemplate MAIN::opposite-of
(multislot __data))
The ruleset is running fine as expected, and JESS is not creating again
the *implied* template in this case. But, if I change it to some other
name, say *data* instead of *__data*, JESS engine throwing a exception
(Jess reported an error in routine Jesp.parseFact.)while parsing the
above fact.
Also, if I create the template as follows using *slot*.
(deftemplate MAIN::opposite-of
(slot shore-1)
(slot shore-2))
But in this case, the deffacts needs to be defined as follows, which
seems not same as mentioned above, and the rule is not working as
expected.
(deffacts MAIN::opposites
(opposite-of (shore-1 shore-2))
(opposite-of (shore-2 shore-1)))
OR
(deffacts MAIN::initial-opposite-of
(opposite-of (shore-1 shore-2)
(shore-2 shore-1)))
So, if anyone can clarify this.
Regards
DEBASISH DALUI (122816)
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